ist <-  s FLOWERING PLANTS. 
each cell containing 2 ovules, but as a rule only two or three — 
nuts develop. There is suppression of parts, as there generally 
1s in the formation of nuts. ot 

Fic. 124.—FLowERING BRANCH, BEECH. 
The Oak has a gnarled trunk ; its branches are twisted, its 
bark fissured. Theré are about 100 different species of Oak 
in Britain, the most common being Quercus robur, which 
produces leaves and acorns on rather long stalks. It grows 
to a great height, 150 to 180 feet, and lives for 600 or even 
1,000 years. 
The inflorescence of the Oak is shown in Plate VIIL., 
Fig. 119. The staminate flowers are in long catkins, witch 
hang down; the catkin scales are very small. There are. 
6 to 12 sets in each flower; the perianth is irregular. The 
pistillate flowers are solitary, or occurring in clusters of 




